General
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Target
439c8eaf5105f874659e06ecca63e66b.exe
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Size
25KB
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Sample
230224-rwvxjshf86
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MD5
439c8eaf5105f874659e06ecca63e66b
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SHA1
f264db763cacbcbc6620353097b1cd6367d14afb
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SHA256
c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21
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SHA512
2cf9bb028b1d8ca1c321f9a809c6e1d0552992eefc2229661579edeaac8ef0d9926ff1e0a26d8962f6672a45be7bc7b2a86b8331a43a922418569b889853ac5a
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SSDEEP
96:1Nd/FIveD4XyrmRNb++DvI63LilNRZjHgnmXV/cfDj6hLGkZNiRB4e3T3e4KxJdv:bxFIqmA62lNTDcmXZCehLrZbxJX
Behavioral task
behavioral1
Sample
439c8eaf5105f874659e06ecca63e66b.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
439c8eaf5105f874659e06ecca63e66b.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
purecrypter
http://www.ugr.leszczynskie.net/galeria/Xcilfp.png
Targets
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Target
439c8eaf5105f874659e06ecca63e66b.exe
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Size
25KB
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MD5
439c8eaf5105f874659e06ecca63e66b
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SHA1
f264db763cacbcbc6620353097b1cd6367d14afb
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SHA256
c5f8a57e9e252306e9876a01fbc423420693bf04cf7c33fb0bbf972e34299f21
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SHA512
2cf9bb028b1d8ca1c321f9a809c6e1d0552992eefc2229661579edeaac8ef0d9926ff1e0a26d8962f6672a45be7bc7b2a86b8331a43a922418569b889853ac5a
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SSDEEP
96:1Nd/FIveD4XyrmRNb++DvI63LilNRZjHgnmXV/cfDj6hLGkZNiRB4e3T3e4KxJdv:bxFIqmA62lNTDcmXZCehLrZbxJX
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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